EpimastidiaEpimastidia is a genus of butterflies in the family Lycaenidae first described by Hamilton Herbert Druce in 1891. The species of this genus are found in the Australasian realm. They areEpimastidia arienis H. H. Druce, 1891.Epimastidia inops .Epimastidia suffuscus Tennent, Müller & Peggie, 2014.Epimastidia yiwikana Schröder, S., 2010.